When an object is placed at the centre of curvature of a ...
When an object is placed at the centre of curvature of a concave mirror, its image is formed at
the focus
infinity
the centre of curvature
a distance twice the radius of curvature
Correct answer is C
No explanation has been provided for this answer.
Which of the following statements is not true? ...
which of the following materials is a conductor? ...
Which to the following is NOT a fundamental unit? ...
.An inductor of inductance 10 H is connected across an a.c circuit source of 50 V, 100 Hz. What...
If two inductors of inductances 3H and 6H are arranged in series, the total inductance is ...